Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
6 lines
224 B
MiniZinc
6 lines
224 B
MiniZinc
include "all_different.mzn";
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predicate fzn_symmetric_all_different_reif(array[int] of var int:x, var bool: b) =
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b <-> ( all_different(x)
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/\ forall(i, j in index_set(x) where i!=j) (x[i] = j -> x[j] = i) );
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